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Product:
  Bitertanol
C.A.S:
  55179-31-2
Assay:
  AE; DC; DS; EC; FS; LS; PA; SC; WP; WS
Package:
  Upon request
Usage:
  Biochemistry: Steroid demethylation inhibitor Mode of action: Foliar fungicide with protective and curative action. Inhibits ergosterol biosynthesis. Acts on spore germination, mycelium development, and sporulation Uses: Control of scab and Monilinia diseases on fruit (at 156-938 g/ha); rusts and powdery mildews on ornamentals (125-500 g/ha); black spot on roses (125-750g/ha);Sigatokaonbananas(105-195 g/ha); and leaf spot and other diseases of vegetables, cucurbits, cereals, deciduous fruit, peanuts, soya beans, tea, etc. As a seed dressing, control of smuts and bunts of wheat (4-38 g/dt) and rye (19-84 g/dt); in combination with other fungicides, also against seed borne snow mould. Phytotoxicity: Fruit crops are more tolerant to the wettable powder formulation than the emulsifiable concentrate formulation.
Description:
  M.F.: C20H23N3O2 Mol Wt: 337.4 Form (appearance): Composition: Bitertanol is a mixture of 2 diastereoisomers. Enantiomer A: (1R,2S) + (1S,2R); enantiomer B: (1R,2R) + (1S,2S) in the ratio A:B 8:2. White powder; (tech., white to tan crystals with a mild odour). M.P.: 138.6℃ (A), 147.1 ℃ (B), 118℃ (eutectic of A and B) V.P.: 2.2 × 10-7 mPa (A); 2.5 × 10-6 mPa (B) (both 20℃) Solubility.: In water 2.7 (A), 1.1 (B), 3.8 (eutectic) (all in mg/l, 20℃, not affected by pH). In dichloromethane >250, isopropanol 67, xylene 18, n-octanol 53 (all for sum of A and B, in g/l, 20℃). Stability: Stable in neutral, acidic, and alkaline media; DT50 at 25℃>1 y (pH 4, 7 and 9). Henry: 2 × 10-8 Pa m3 mol-1 (A); 5 x 10-7 Pa m3 mol-1 (B) (both 20℃, calc.) S.g./density 1.16 (20℃) KowlogP: 4.1 (A); 4.15 (B) (both 20℃)

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